The probability that a student knows the correct answer to a multiple choice question is 2/3. If the student does not know the answer, then the student guesses the answer. The probability of the guessed answer being correct is 1/4. Given that the student has answered the question correctly, the conditional probability that the student knows the correct answer is

Comments and Answers (2)

Rashmi

Rashmi

how did the answer came

Archana

Archana

please anyone explain this answer

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